20917950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3769}}^1$

素因数の和:3821

約数の個数: 48

約数和(自身を含む): 53292720

約数和(自身を除く): 32374770

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 150, 185, 222, 370, 555, 925, 1110, 1850, 2775, 3769, 5550, 7538, 11307, 18845, 22614, 37690, 56535, 94225, 113070, 139453, 188450, 278906, 282675, 418359, 565350, 697265, 836718, 1394530, 2091795, 3486325, 4183590, 6972650, 10458975, 20917950]

約数ペア:

[(1, 20917950), (2, 10458975), (3, 6972650), (5, 4183590), (6, 3486325), (10, 2091795), (15, 1394530), (25, 836718), (30, 697265), (37, 565350), (50, 418359), (74, 282675), (75, 278906), (111, 188450), (150, 139453), (185, 113070), (222, 94225), (370, 56535), (555, 37690), (925, 22614), (1110, 18845), (1850, 11307), (2775, 7538), (3769, 5550)]